Results 111 to 120 of about 7,633 (210)

Phosphogypsum as an unconventional source of rare earth elements: Ukraine’s experience

Мінеральні ресурси України
This paper presents the results of research on the integrated processing of mineral raw materials of man-made origin, specifically phosphogypsum, obtained during phosphate fertilizer production.
A. P. Mukhachev, D. O. Yelatontsev, L. H. Mesheryakov, O. A. Kharytonova   +3 more
doaj   +1 more source

Влияние различных факторов на прочность фосфогипсовых образцов [PDF]

, 2009
У статті розглядається проблема утилізації відходу хімічної промисловості – фосфогіпсу. Формулюється найраціональніший, з точки зору авторів, спосіб утилізації свіжого фосфогіпсу.
Винниченко, В. И., Жегусь, Ю. Н., Иващенко, Т. Г., Котляренко, В. В., Лисин, Д. В., Филин, В. Н.   +5 more
core  

Effect of Asphalt Cemented Phosphogypsum on its Performance and Microscopic Analysis

Kuangchan zonghe liyong
This is an article in the field of ceramics and composites. In order to explore a new way for the application of phosphogypsum in road materials, phosphogypsum powder and asphalt mortar were mixed to prepare phosphogypsum modified asphalt. The effects of
Run MAO, Dongsheng HE, Fan YANG, Zeqiang ZHANG, Zhili LI   +4 more
doaj   +1 more source

Preparation and Characterization of Lime Activated Unfired Bricks Made with Industrial Wastes [PDF]

, 2013
Utilization of fly ash can reduces the solid waste disposal problem and minimization of pollution also. Conventional production of bricks usually utilizes clay and shale as the source material and requires high temperature (900– 1000 °C) kiln firing ...

core  

The use of composite filler in the production of polygraphic cardboard in jsc “Slonim cardboard-paper mill “Albertin” [PDF]

, 2012
The results of the researches of the effect of composite filler on the properties of the composite polygraphic cardboard NVP-0.5 obtained in JSC «Slonim cardboard-paper mill «Albertin» on a cardboard machine CM-2 are presented in the article.
Chernaya, N. V., Drapeza, A. A., Malitskaya, L. Yu., Yeshchenko, L. S., Zholnerovich, N. V.   +4 more
core  

Способ извлечения редкоземельных элементов из фосфогипса [PDF]

, 2013
Изобретение относится к технологии получения соединений редкоземельных элементов (РЗЭ) при комплексной переработке апатитов, в частности к извлечению РЗЭ из фосфогипса. Способ включает приготовление пульпы из фосфогипса и сорбцию редкоземельных элементов
Иванько, В. А., Кириллов, Е. В., Рычков, В. Н., Смирнов, А. Л., Язев, В. А.   +4 more
core  

Phosphoric acid extraction and rare earth recovery from apatites of the Brazilian phosphatic ores [PDF]

, 2012
National audienceVarious experiments led in laboratory on the concentrate of Angico dos Dias phosphate allowed us to define the following steps in the process of hydrochloric treatment: 1 - Acidification of the concentrate by HCl at 20% during two hours ...
Bilal, Essaïd, Pereira, Fernando
core   +1 more source

THE EFFECTS OF COAGULANTS ON THE PHYSICAL PROPERTIES OF DRILL CUTTINGS

Вестник Кемеровского государственного университета, 2015
A promising solution for the protection of the environment in the petroleum industry is to increase the work on recycling and reclamation of drill cuttings.
L. N. Skipin, D. L. Skipin, V. S. Petukhova, I. N. Kustysheva   +3 more
doaj  

Engineering Soil Quality and Water Productivity Through Optimal Phosphogypsum Application Rates

Agronomy
Water scarcity and soil degradation pose challenges to sustainable agriculture. Phosphogypsum, a low-cost solid waste, shows potential as a soil amendment, but its impact on water saving and soil quality need further study.
Anrong Luo, Jun Li, Yanan Xiao, Zijian He, Jiaping Liang   +4 more
doaj   +1 more source

Raw materials used for the phosphate fertilizer production in Romania. New radiometric data. [PDF]

, 2012
National audienceUranium, thorium and potassium were measured by low background gamma spectrometry in natural apatites used as raw materials in the phosphate fertilizer industry. The results confirmed that the phosphates of sedimentary origin ( i.e.
Anason, Maria Angela, Bilal, Essaïd, Dumitras, Delia-Georgita, Iancu-Caraveteanu, Aurora-Maruta, Ion, Adriana, Marincea, Stephan   +5 more
core   +1 more source